1141171877 has 4 divisors (see below), whose sum is σ = 1147476876. Its totient is φ = 1134866880.

The previous prime is 1141171861. The next prime is 1141171909. The reversal of 1141171877 is 7781711411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7781711411 = 15101 ⋅515311.

It can be written as a sum of positive squares in 2 ways, for example, as 295874401 + 845297476 = 17201^2 + 29074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141171877 - 2⁴ = 1141171861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141171877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141171177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152228 + ... + 3152589.

It is an arithmetic number, because the mean of its divisors is an integer number (286869219).

Almost surely, 2^1141171877 is an apocalyptic number.

It is an amenable number.

1141171877 is a deficient number, since it is larger than the sum of its proper divisors (6304999).

1141171877 is an equidigital number, since it uses as much as digits as its factorization.

1141171877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304998.

The product of its digits is 10976, while the sum is 38.

The square root of 1141171877 is about 33781.2355753901. The cubic root of 1141171877 is about 1045.0017557566.

The spelling of 1141171877 in words is "one billion, one hundred forty-one million, one hundred seventy-one thousand, eight hundred seventy-seven".